dual nutube
  1. Andykong

    Cayin C9: Dual Nutube, Fully discrete Fully Balanced Class A/AB Portable Headphone Amplifier

    Cayin C9: TOTL Portable Headphone Amplifier Cayin was founded in 1993 and is one of the largest audio tube amplifier development and manufacturing facilities in the world. We have developed over 400 products to date, ranging from CD players to speakers, all of which provide the same...
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